He's courageous! He's amazing! He's... a mouse in a London pillar box. Danger Mouse protects the world from the criminal activities of Baron Silas Greenback and various other would-be world beaters alongside the hapless helper Penfold, all with the stiff upper lip we associate with our friends from across the pond. Running for over a decade in its native country and doing good business in the States for Nickelodeon, the secret agent gave many 80s kids in America their first real taste of British comedy.